"The Exorcist," written by William Peter Blatty, is a horror novel that tells the story of a young girl named Regan who becomes possessed by a demonic entity. Set in Georgetown, the narrative explores themes of faith, the battle between good and evil, and the psychological struggles faced by both the girl and those trying to save her. The story progresses through the increasing signs of Regan's possession, which terrify her mother, Chris, and...